$OpenBSD: patch-lib_Makefile_in,v 1.2 2015/06/14 07:45:08 benoit Exp $
does not install xml files twice
--- lib/Makefile.in.orig	Thu Apr  2 19:19:38 2015
+++ lib/Makefile.in	Sun Jun 14 09:37:36 2015
@@ -1052,7 +1052,6 @@ info-am: $(INFO_DEPS)
 install-data-am: install-includeHEADERS install-info-am \
 	install-pkgdataDATA
 	@$(NORMAL_INSTALL)
-	$(MAKE) $(AM_MAKEFLAGS) install-data-hook
 install-dvi: install-dvi-recursive
 
 install-dvi-am: $(DVIS)
